There are total 13 hours or 780 minutes from 7am to 8pm. In words, this duration is equal to thirteen hours or seven hundred eighty minutes.
How many hours from
| 7AM to 2AM | 10AM to 10PM | 1PM to 9AM |
| 4AM to 12AM | 12AM to 6AM | 10AM to 2AM |
| 1AM to 5AM | 2PM to 1PM | 11AM to 12PM |
| 12AM to 4PM | 4PM to 8PM | 5PM to 1AM |
| 11PM to 7PM | 7AM to 8PM | 2AM to 12PM |
| 10PM to 12AM | 8PM to 11PM | 7AM to 5AM |
